Question

Among the following equations which one is irrational :
(a) x² = 2
(b) (x + 1)² = 16/25
(c) x² + 3 = 5
(d) x² +4 = 16/3​

Answer 1

Answer:

(d) x² + 4 = 16/3

solution:-

if we solve x² + 4 = 16/3

x² = (16/3) +4

x² = 28/3

x² = 9.33333

x = √9.3333

which is irrational